Merge branch 'add_soft' into 'master'

docs.it4i/software/lang/python.md

docs.it4i/software/modules/lmod.md

docs.it4i/software/operating-system.md

docs.it4i/software/tools/ansys/ansys-cfx.md

docs.it4i/software/tools/ansys/ansys-fluent.md

docs.it4i/software/tools/ansys/ansys-ls-dyna.md

docs.it4i/software/tools/ansys/ansys-mechanical-apdl.md

docs.it4i/software/tools/ansys/ansys.md

docs.it4i/software/tools/ansys/licensing.md

docs.it4i/software/tools/ansys/ls-dyna.md

....it4i/software/tools/ansys/setting-license-preferences.md

docs.it4i/software/tools/ansys/workbench.md

docs.it4i/software/tools/easybuild.md

docs.it4i/software/tools/singularity.md

docs.it4i/software/tools/spack.md

docs.it4i/software/tools/virtualization.md

docs.it4i/software/viz/gpi2.md

docs.it4i/software/viz/openfoam.md

docs.it4i/software/viz/paraview.md

mkdocs.yml